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Full Discussion: Length of a fixed width file
Top Forums UNIX for Dummies Questions & Answers Length of a fixed width file Post 302823139 by rveri on Wednesday 19th of June 2013 01:48:34 AM
Old 06-19-2013
Amrutha24,

Code:
wc -L 

-L, --max-line-length
              print the length of the longest line

and the awk code you are using are not the same. This code will print the length of the first line only.
Code:
awk '{print length;exit}'





To print the max length of any line of the file you can use this with awk :

Code:
awk '{if(max=="") {max=length($0)};if(length($0)>max){max=length($0)}}END{print max}'  file

 

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TRAYER(1)						      General Commands Manual							 TRAYER(1)

NAME
trayer - a lightweight GTK2-based systray for UNIX desktop SYNOPSIS
trayer -h trayer -v trayer [--edge left|right|top|bottom|none] [--align left|right|center] [--margin <size>] [--widthtype request|pixel|percent ] [--width <size>] [--heighttype <pixel>] [--height <size>] [--SetDockType true|false] [--SetPartialStrut true|false] [--transparent true|false] [--alpha <value>] [--tint <color>] [--distance <length>] [--distancefrom left|right|top|bottom|none] [--expand true|false] [--padding <size>] DESCRIPTION
trayer is a small program designed to provide system tray similar to these in GNOME / KDE desktop environments for window managers which does not support that function. It is similar to other applications such as peksystray and docker. System tray is a place, where many applications put their icons, so they are always visible. Such icons may present status of an applica- tion and allow user to control the program. trayer's code was extracted from fbpanel application, you can find more about it on its homepage: http://fbpanel.sourceforge.net/. OPTIONS
This programs follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below. --help -h Show summary of options and exit. --version -v Show version of program and exit. --edge left|right|top|bottom|none Specifies a screen edge to use. --align left|center|right Specifies an align of the icons. --margin <size> Specifies length of margin (in pixels) --widthtype request|pixel|percent Specifies method of calculating trayer's window width: request Follow application icons' size, so trayer may shrink or expand dynamically. pixel Set a fixed size, given with --width option in pixels. percent Set a fixed size, given with --width option in percentage of a length of screen edge. --width <size> Width of trayer's window. Ignored when --widthtype is set to request. --heighttype request|pixel|percent Specifies method of calculating trayer's window height: request Follow application icons' size, so trayer may shrink or expand dynamically. pixel Set a fixed size, given with --height option in pixels. percent Set a fixed size, given with --height option in percentage of a length of screen edge. --height <size> Height of trayer's window. Ignored when --heighttype is set to request. --SetDockType true|false Identify panel window type as dock. --SetPartialStrut true|false Reserve panel space so that it will not be covered by maximized windows. --transparent true|false Use transparency. --alpha <value> Percentage of transparency (0 - nontransparent, 255 - fully transparent) --tint <color> Color used to tint transparent background. Color is given as a 24-bit C hexadecimal integer, for example: 0xff0000 is red, 0xff8800 is orange and 0x00ff00 is green. --distance <length> Specifies distance between trayer's window and screen edge (in pixels) --distancefrom <edge> Specifies which edge to calculate distance from, see above. --expand true|false Specifies whether trayer may accommodate extra space when there is too much icons. --padding <size> Extra space between icons and trayer window's border. --monitor NUM|STRING Define the monitor on which you like trayer to appear, number of zero to number of monitors minus one, or the string "primary" are valid. The default value is 0. SEE ALSO
fbpanel(1) AUTHORS
Anatoly Asviyan <aanatoly@users.sf.net> - fbpanel Rafal Bisingier <ravbc@man.poznan.pl> Maciej Delmanowski <harnir@users.berlios.de> Grzegorz Nieweglowski <hoppke@dobremiasto.net> Thomas Rydzynski This manual page was written by Tomasz Melcer <liori@interia.pl>. FVWM-Crystal Feb 14, 2005 TRAYER(1)
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